---
title: "JPEG (JPG): meaning and marketplace rules | Herofab"
description: "The image format accepted almost everywhere for product photos."
url: https://herofab.app/glossary/jpeg
language: en
updated: 2026-10-18
---

# JPEG

The image format accepted almost everywhere for product photos. It keeps a photograph small by discarding detail the eye rarely notices, and it has no transparency.

Also called **JPG** · **JPEG format**

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JPEG was built for photographs: smooth tones, soft shadows, fabric and skin. It handles sharp-edged graphics poorly. Letters, thin lines and flat areas of colour pick up a faint ripple and smudge around their edges, so a size chart, an infographic or a logo is better saved as PNG, while the photos of the same listing stay JPEG.

Many export dialogs also store colour at a lower resolution than brightness, a step called chroma subsampling. It saves weight and is rarely visible, except where a saturated colour meets a sharp edge: a thin red stripe on a white shirt or fine coloured embroidery turns soft. The highest quality settings usually switch it off, which is worth doing for detail shots.

The endings .jpg and .jpeg mean the same format. Renaming a PNG or HEIC file to .jpg does not convert it, and upload systems that read the file itself reject the mismatch or show an unsupported type error. A real JPEG comes from saving or exporting as JPEG in an image editor or converter, which also flattens any transparent area onto a solid colour.

## JPEG, answered.

**Why does my JPEG get worse every time I edit and save it?**

Because every save compresses the image again and throws away a little more detail. One save at a high quality setting is hard to see, but repeated edits on the same JPEG build up blocks, smeared edges and colour noise. Edit the original or a lossless working copy, and export a fresh JPEG only as the last step.

**Can a JPEG product photo have a transparent background?**

No, a JPEG has no transparency, so every pixel carries a colour. When a cut-out is saved as JPEG, the empty area is filled with white or black, depending on the software. Where a listing needs white, flatten the cut-out onto pure white yourself before saving, so the result does not depend on the exporter; where it must stay transparent, keep it as PNG.

## What marketplaces say about it.

Updated 25 September 2026

- **Amazon:** JPEG, TIFF, PNG or non-animated GIF; JPEG is preferred [Official page](https://sell.amazon.com/blog/product-photos)
- **noon:** JPEG or JPG only, in RGB or sRGB colour format [Official page](https://helpcenter.noon.partners/en/category/product-listing/image-requirements-and-rejection-reasons-for-the-seller-sku)
- **Falabella:** JPG [Official page](https://ayudaseller.falabella.com/s/article/Requisitos-de-las-imagenes-Chile?language=es)
- **Wolf & Badger:** JPEG [Official page](https://kb.wolfandbadger.com/image-requirements-apparel)
- **Tradera:** PNG, JPG or JPEG; images uploaded from the apps are automatically converted to JPEG [Official page](https://www.tradera.com/support/gb/posts/bildformat-videoformat/)
- **Zalando:** JPG/JPEG only, up to 20 MB, sRGB colour mode [Official page](https://partner.zalando.com/university/article/zalando-image-guidelines)

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